Question: What is {outcome} of {liquefied petroleum gas}, that has {afflicts} in {respiratory system} ?
Paraphrase: What is { result } of { liquidated petroleum gas }, which has { afflictions } in { respiratory system }?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q351609 wdt:P1542 ?answer . ?answer wdt:P689 wd:Q7891}
Answer: exposure to liquefied petroleum gas